Ensure that non-QRESYNC nnimap can proceed after a QRESYNC fail

* lisp/gnus/nnimap.el (nnimap-update-info): If we don't have a
start-article in the non-QRESYNC case, then the start has to be 1
(bug#23241).

diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index ffe1a47e9320c669f01fa334fd3642bdc9a87544..a884376efb6d34f585d061245ba8f1c3852861e0 100644 (file)
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -1544,6 +1544,8 @@ If LIMIT, first try to limit the search to the N last articles."
               info existing (nnimap-imap-ranges-to-gnus-ranges vanished) flags)
            ;; Do normal non-QRESYNC flag updates.
            ;; Update the list of read articles.
+           (unless start-article
+             (setq start-article 1))
            (let* ((unread
                    (gnus-compress-sequence
                     (gnus-set-difference